Growing community of inventors

Vancouver, WA, United States of America

Jon Mathew Speigle

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 8

Jon Mathew SpeigleXiaofan Feng (1 patent)Jon Mathew SpeigleJon Mathew Speigle (1 patent)Xiaofan FengXiaofan Feng (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sharp Laboratories of America, Inc (1 from 2,034 patents)


1 patent:

1. 6697169 - Enhanced error diffusion using a correlated chromatic noise pattern

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as of
1/21/2026
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